diff --git a/resources/profiles/BBL/machine/Bambu Lab A1 mini 0.4 nozzle.json b/resources/profiles/BBL/machine/Bambu Lab A1 mini 0.4 nozzle.json
index e7e5cc1ec4..abab5660a1 100644
--- a/resources/profiles/BBL/machine/Bambu Lab A1 mini 0.4 nozzle.json	
+++ b/resources/profiles/BBL/machine/Bambu Lab A1 mini 0.4 nozzle.json	
@@ -12,6 +12,7 @@
     "printer_variant": "0.4",
     "auxiliary_fan": "0",
     "bed_exclude_area": [],
+    "best_object_pos": "0.7x0.5",
     "default_filament_profile": [
         "Bambu PLA Basic @BBL A1M"
     ],
diff --git a/src/libslic3r/Arrange.cpp b/src/libslic3r/Arrange.cpp
index 838850a59d..83544a5d37 100644
--- a/src/libslic3r/Arrange.cpp
+++ b/src/libslic3r/Arrange.cpp
@@ -217,8 +217,14 @@ void update_selected_items_axis_align(ArrangePolygons& selected, const DynamicPr
                 double b = m11 / m00 - cx * cy;
                 double c = m02 / m00 - cy * cy;
 
-                angle = std::atan2(2 * b, (a - c)) / 2;
-                validResult = true;
+                //if a and c are close, there is no dominant axis, then do not rotate
+                if (std::abs(a) < 1.5*std::abs(c) && std::abs(c) < 1.5*std::abs(a)) {
+                    validResult = false;
+                }
+                else {
+                    angle = std::atan2(2 * b, (a - c)) / 2;
+                    validResult = true;
+                }
             }
         }
         if (validResult) { ap.rotation += (PI / 2 - angle); }